18055+0311

  • Unique Name: 18055+0311HEI 257
  • RA: 18 05 27.30
  • Dec: +03 11 27.1
  • Discoverer: HEI
  • Discoverer Number: 257
  • Components:
  • First year: 1984
  • Last year: 2005
  • Observations: 4
  • First position angle: 333
  • Last position angle: 331
  • First separation: 1.9
  • Last separation: 1.8
  • Mag first component: 10.3
  • Mag second component: 11.5
  • Spectral type:
  • Primary proper motion RA: 20
  • Primary proper motion DEC: -27
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung:
  • Notes: